Home / 99,544.49-137,366.54-56,518.34

Finding the Fourth Proportional to 99,544.49, 137,366.54 and 56,518.34

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Solution

The fourth proportional to 99,544.49, 137,366.54 and 56,518.34 is: 77,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,544.49 : 137,366.54 = 56,518.34 : x
  2. Step 2: Convert to fraction form
    99,544.49/137,366.54 = 56,518.34/x
  3. Step 3: Cross multiply
    99,544.49x = 137,366.54 × 56,518.34
  4. Step 4: Simplify right side
    99,544.49x = 7,763,727,842.92
  5. Step 5: Solve for x
    x = 7,763,727,842.92/99,544.49
  6. Step 6: Final answer
    x = 77,992.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.